Global Patent Index - EP 0315045 B1

EP 0315045 B1 19920304 - DOUBLE COPPER FORMAZANE REACTIVE DYES

Title (en)

DOUBLE COPPER FORMAZANE REACTIVE DYES

Publication

EP 0315045 B1 19920304 (DE)

Application

EP 88117888 A 19881027

Priority

DE 3737537 A 19871105

Abstract (en)

[origin: EP0315045A2] Doubled copper formazan reactive dyes of the formula <IMAGE> where R<1> is hydrogen, hydroxysulphonyl or chlorine, R<2> is hydrogen or hydroxysulphonyl, one of the two radicals R<3> and R<4> is hydrogen and the other is hydroxysulphonyl, Q is fluorine or chlorine, and X is a radical of the formula <IMAGE> and salts thereof, are useful for dyeing and printing hydroxyl- or nitrogen-containing organic substrates.

IPC 1-7

C09B 62/04; D06P 1/382

IPC 8 full level

C09B 62/04 (2006.01); D06P 1/382 (2006.01)

CPC (source: EP US)

C09B 62/043 (2013.01 - EP US)

Designated contracting state (EPC)

CH DE FR GB IT LI

DOCDB simple family (publication)

EP 0315045 A2 19890510; EP 0315045 A3 19890830; EP 0315045 B1 19920304; DE 3737537 A1 19890518; DE 3868851 D1 19920409; JP 2726067 B2 19980311; JP H01149860 A 19890612; US 4973671 A 19901127

DOCDB simple family (application)

EP 88117888 A 19881027; DE 3737537 A 19871105; DE 3868851 T 19881027; JP 27752888 A 19881104; US 26734888 A 19881104